The whirlpool galaxy Messier 51 (M51) is seen from a distance of approximately 30 million light years. This galaxy appears almost face-on and displays a beautiful system of spiral arms.
Astronomy
Aug 20, 2014
22
0
Light is better than radio waves when it comes to some wireless communications, according to Penn State engineers. Optical communications systems could provide faster, more secure communications with wider bandwidth and would ...
Engineering
Jan 27, 2010
2
0
In the visible spectrum, Jupiter is a bright, star-like point in the night sky. Viewing it with the naked eye, it would be easy to confuse it with a star except for the fact that it doesn't twinkle. At radio frequencies ...
Space Exploration
Sep 10, 2014
0
0
Astronomers using data from the ongoing VLA Sky Survey (VLASS) have found a number of distant galaxies with supermassive black holes at their cores that have launched powerful, radio-emitting jets of material within the past ...
Astronomy
Nov 19, 2020
4
4673
Like symbiotic species, a galaxy and its central black hole lead intimately connected lives. The details of this relationship still pose many puzzles for astronomers. Some black holes actively accrete matter. Part of this ...
Astronomy
Oct 29, 2012
108
0
Fujitsu Laboratories today announced that it has successfully developed the world's first transmitter/receiver (T/R) module using gallium-nitride (GaN)high electron mobility transistor (HEMT) technology that features an output ...
Electronics & Semiconductors
Jun 6, 2011
0
1
Here on Earth, we pay quite a lot of attention to the sun. It's visible to us, after all, and central to our lives. But it is only one of the billions of stars in our galaxy, the Milky Way. It's also quite small compared ...
Astronomy
Jan 27, 2020
0
316
An electronic system developed by Aura Ganz, professor of electrical and computer engineering at the University of Massachusetts Amherst, allows visually impaired people to safely navigate unfamiliar buildings using a three-ounce ...
Engineering
Dec 16, 2010
2
0
Electrical engineers at Duke University have determined that unique man-made materials should theoretically make it possible to improve the power transfer to small devices, such as laptops or cell phones, or ultimately to ...
General Physics
May 23, 2011
7
0
(PhysOrg.com) -- A team led by Oxford University scientists has turned one of the key problems with quantum entangled systems - that they are easily ‘disturbed’ by their environment - into an advantage which promises ...
Quantum Physics
Apr 24, 2009
10
0
